Vestil SCALE-S Owner's manual

Brand: Vestil

Model: SCALE-S

Category: Kitchen scales

Type: Owner's manual

LP7510

Weighing Indicator

User’s Manual

Edition:01-081008

Locosc Precision

■ Load Cell ■ Controller ■ Scale

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Preface

Thanks for using LP7510 Weighing indicator,

ALL products are been strictly tested and inspected

before shipment. You will benefit from its strong

function and good quality.

Locosc is devoted to weighing technology

development, industrial scales produce and technical

service. If you have any suggestion on our product, do not

hesitate to contact us. Contact info. Is as bellows:

LOCOSC NINGOBO PRECISION TECHNOLOGY CO.,LTD

Website: www.locosc.com

E-mail: service@locosc.com

Tel: 86-574-87630101

Fax:86-574-87630707

Add.: No.137 Zhenyong RD. Yongjiang. Ningbo.China

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LIST

1 Safety instructions----------------------------------------------------- 4

1．Safety instructions---------------------------------------------------- 4

2．Notice for battery use------------------------------------------------ 5

2 Main function and technical parameter-------------------------- 6

1．Main function----------------------------------------------------------- 6

2．Technical parameter------------------------------------------------- 6

3 Installation and connection----------------------------------------- 7

1．Installation instructions----------------------------------------------- 7

2．Wire connection-------------------------------------------------------- 7

2．1．Power connection------------------------------------------------- 7

2．2．Load cell connection---------------------------------------------- 8

2．3．Serial interface------------------------------------------------------ 8

2．4．I/O card connection------------------------------------------------- 10

4 Operation instruction--------------------------------------------------- 12

1． Display and Key instruction---------------------------------------- 12

2． Basic Operation------------------------------------------------------- 14

3. Accumulate function ------------------------------------------------- 16

3． Counting function----------------------------------------------------- 17

4． Animal scale function------------------------------------------------ 18

5． Classifying scale operation ---------------------------------------- 19

6． Second display, print function, computer communication setting

operation --------------------------------------------------------------- 22

5 Wrong information management and daily maintenance-----24

6 Packing list and after-sales service ----------------------------------26

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1 Safety instruction and notice for battery use

safety instruction

For safety operation pls. follow the safety instruction.

WARNING

The Non professional staff can not set. Calibrate, inspect or fix the

the weighing display

WARNING

Pls. make sure the weighing display have good ground in using

WARNING

The indicator is the static and sensitive equipment,

cut off the power when doing electrical connections,

internal components touched by hand is prohibited,

and please take the measure of anti-static.

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Battery use instruction

The Company provided for the maintenance-free and rechargeable

battery , low self-discharge rate, long life, and work temperature -10-40 ℃. The

new battery will make the best effective after two or three complete charge.

Each time charge should keep at 6 to 8 hours, not more than 12 hours. when

use battery-powered, the work time is 20-30 hours when the battery fully

charged, when the indicator showed that "LOBATT", means the battery is

under power. Pls. charge at once.

Charging method：

1. Random specific power adapter plugged into AC power outlet, the

circular DC power supply plug into "DC" jack on the indicator back cover.

2. Open the power switch to "on", power-on self test, go into weighing

status . "batter" status light does not on, in a battery is charging

3. Charging time 6 to 8 hours later , take off the adapter, "battery" light on,

means battery-powered.

Note：

1. In order to keep the battery in best use condition, so suggest that monthly

charge and discharge the battery completely at least once, the method is to use

the indicator until the battery if finished automatically shut down the indicator

and then recharging again.

2. If the battery when not in use for a long time, please take out the

batteries from the indicator in order to avoid battery leakage and damage the

indicator .Do not use the battery for a long time, it is essential to charge the

batter every 2 or 3 month. Or the battery will expire.

3. Pls. make sure the indicator is powered off then change the batteries, or it

will have an impact on the indicator life.

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4. when replace the battery. The correct connection is : connect the red line

to the plugs in red mark; and the black line to the plugs in black mark, Be sure

wiring is correct, or it will cause damage to load cell, explosive, and the main

board damage

5. Our Company only responsible for approved the standard battery and

power adapter by our company. And not take any responsibility for any damage

by the accessories offered by third-party.

2 Main functions and parameter

2.1 main functions：

Weighing function:

Zero, gross, net, accumulating, printing, counting, animal -weighing.

Toggle operation: kg/lb

Options:

Pinter

RS232/RS485 serial interface or second display

Classifying scales (with I/O card)

2.2 technical parameter

Accuracy class 6000 e

Resolution display: 30, 000 ADC: 2,000,000

Zero stability error TK

< 0.1μV//K

Span stability error TK

spn

< ± 6 ppm//K

Conversion time 50 ms

Sensitivity (internal) 0.12 μV /count

Input voltage -30~30mV DC

Excitation circuit 5 VDC, 4 wire connection, all strain gauge,

min. 50Ω, e.g.: 6 load cell of 350Ω

AC power AC100~250V

DC power DC6V/4Ah rechargeable batter,700mA。

Operation temperature - 10 °C ~ + 40 °C

Storage temperature - 40 °C ~ + 70 °C

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3 Installation and connection

3.1 Installation method

There are 3 installation method for LP7510

1． Wall mounting: Use screw M5 to fix the base of the weighing

display to the wall

2． Table mounting：Adjust the elevation of the weighing display

and the base. And then put it on the table.

3． Column mounting：Take off the base, then use screw M8 to fix

the feet to the column

3.2 Connection

3.2.1 Supply power connection

2 kinds of power supply : One is AC 100-240V; another is in-built

storage battery DC supply power, with charger.

AC powered connection method:

1. Open the back cover of the weighing display. And take off the

Water-proof connector with AC mark. And insert the equipped power

Line insider the back cover.

2. Fix the 3 core line to 5 bit terminal block J1 on the back cover AC

power board. Shown as the below picture.

J1 pin Pin symbol AC supply power

1 GND Power ground line（yellow）

2 L Power fire line（brown）

3 N Power zero line（blue）

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Built-in rechargeable connection method:

Open the back cover of the weighing display controller. Connect

the red lines of the terminals to battery terminal (positive) with red mark;

Black line connect battery terminals(negative) with black mark.

3.2.2 Connection of load cell and indicator

1. Weighing display of the incentives voltage for the load cell is 5VDC, the

largest output current 120mA, maximum connect 6 pcs 350-ohm load cell;

2. Load cell (or the signal cable for the junction box) is connected with 5 bit

Connection terminal ( J2) on the weighing display circuit-board。

3. Open Weighing display controller back cover, insert signal line into the

water-proof joint with "Load cell" signs. And conect signal cable to terminals J2,

and make sure screw fixed tightly. Connection as below drawing:

Weighing display

Load cell

+EXC + voltage

+IN + output signal

HD ----------- Shielded wire

-IN - output signal

-EXC -IN HD +IN +EXC -EXC - voltage

3.2.3 Serial interface connection method(option)

To connect with computers, second display, printer, and other communications

equipment, Pls. purchase RS232 with DB9 joint and COM port together with

the indicator. better choose the shielded twisted-pair. Length no longer than 15

meters.

1. Through RS232 or RS485 interfaces can be connected to the big screen;

2. Through RS232 or RS485 interfaces can be connected to the computer;

3. Through RS232 or RS485 interfaces can be connected to a printer and have

printing function.

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4. Serial communication interface at the back of the display controller marked

the RS232-joint BD9 as the below drawing:

5 4 3 2 1

9 8 7 6

Pin function and definition as bellows:

DB9 joint Definition Function

2 TXD Sending data

3 RXD Receiving data

5 GND Ground interface

6 V+ Printer power ( positive)

8 V- Printer power( negative)

Note： Only 2 pin and 5 pin connecting with second display

5. Serial interface reception command：

RS232COM serial interface can receive simple ASCII command. And

Command word and role as follows:

Command Name Role

T Tare off command Save and clear tare

Z Zero command Zero the gross weight

P Print command Print the weight

G Gross/net weight shift

command

Gross/net weight shift

R Read gross/ net weight

Read gross/net weight

6．Continuous output：

Reaction of command “R” are same as continuous output

R F

S 1 S 2 S 3 Data S 4

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S1: weight status, ST=standstill, US= not standstill,

OL= overload

S2: weight mode, GS=gross weight, NT=net weight

S3: weight value sign, “+” or ” –“

S4: weight unit sign, “kg” or “lb”

Data: weight value, including decimal point

CR: carriage return

LF: line feed

3.2.4 I/O connection(option)

1. The indicator I / O card can achieve external control command operation

via an external input 4, and to complete remote control by computer or other

controlling instrument.

2. Output 4 signal through the I / O card and can be connected with

external control equipment for the realize the automatic control function of the

external control or the executive instrument. The indicator can set 4 function

pack, the function of each function pack can output respectively 4 different

signals.

3. input function. Input port and input signals as bellows:

Input port Port definition Function instruction

In1 Zero input port External zero signal input

In2 Tare output port External tare signal input

In3 Print input port External print signal input

In4 Gross/net weight input port External gross and net

weight signal input

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4.functions include output port and info. As bellows:

Function

pack

Output port Port definition Function instruction

Out1 Overload output

port

Indicator output

overload signal

Out2 Eligible output

port

Indicator output

eligible overload

signal

Out3 Under load output

port

Indicator output under

load signal

Out4 Reserve No output signal

Out1 Overload output

port

Indicator output

overload signal

Out2 Eligible output

port

Indicator output

eligible overload

signal

Out3 Under load output

port

Indicator output under

load signal

Out4 Zero output port Output zero bit signal

Out1 Overload output

port

Indicator output

overload signal

Out2 Eligible output

port

Indicator output

eligible overload

signal

Out3 Under load output

port

Indicator output under

load signal

Out4 Stable output port

Output stable signal

Out1 Zero output port Output zero bit signal

Out2 Tare output port Output tare signal

Out3 Stable output port

Output stable signal

Out4 Reserved No output signal

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5. I/O card port is on I/O BD9 type joint of weighing display. The pin

Definition and connection as bellows:

5 4 3 2 1

9 8 7 6

DB9 Pin definition Port

1 First input pin In1

2 Second input pin In2

3 Third input pin In3

4 Fourth input pin In4

5 GND I/O public groud

6 First output pin Out1

7 Second output pin Out2

8 Third output pin Out3

9 Fourth output pin Out4

Note: above is transistor output for I/O card install. When you select

the relay output for I/O card. Pls. refer to Relay output I/O card manual.

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4 Instruction

4．1 Display and main key

Instruction：

When the light of status is on, the means are as follows:

【kg】——weight unit sign kg

【Ib】——weight unit sign lb

【count】——count function

【battery】——in-built battery is working

【zero】——weight is zero

【stable】——weight is standstill

【gross】——weight is gross

【net 】——weight is net

【tare】——have set tare

【total】——totalizing function level

【over】——weight is over upper limit

【ok】——acceptable weight

【under】——weight is under lower limit

LED light on means- the weighing data show on the display or setting

the is working

Key functions of weighing level and operation

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Press 5s to enter into and leave totalizing-scale operation

Press 1s to totalize a weighing value during totalizing on

Press 5s to enter into and leave totalizing-scale operation

Press 1s to convert pcs mode to weight mode for 4s

during counting on

Press first times to convert display kg/lb to lb/kg for 4s

Press second times to higher resolution display×10 for 4s

Remarks: pressing two times continuously is invalid

Press first times to convert gross mode to net mode

Press second times to convert net mode to gross mode

Press first times to set gross weight > 0 into memory tare,

the weight display changes automatically to net mode and

light status of net and tared.

Press second times to clear memory tare

the weight display changes automatically to gross mode

and light status of gross.

Conditions: status light of standstill is on

Press to set the gross weight to zero within ±1/4d

Conditions: status light of standstill is on &

actual gross weight is with zero setting range

Press to print current weighing documents

Conditions: status light of standstill is on

Open/Close —— open or power off the indicator

4.2 Basic operation

4.2.1 Switch on & off

1．Switch on： pls. connect the power for AC power supply. and

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connect the battery line for rechargeable battery. Before switch on the

indicator. the “kg” light on. It means the connection is ok. then press

after 2s. the indicator show”000000-999999”. After the self inspection. It

go the weighing mode.

2. Switch off: Press the key, 2s latter. Auto power off,

only kg light is on. Take off the AC power supply or the battery. The kg

light off.

4.2.2 Zero operation

1. Initial zero setting

When switching on the indicator, if the weight on the scale is within

the initial zero range, indicator will put is zero automatically, and gross

weight will show zero.

2. Zero setting

It is effective in gross weight status, when the minus data or

nonzero data is within the zero setting range. Press key.

Than go to the zero.

4.2.3 10 times higher resolution and toggle operation.

1. Press UNIT key. the 10 times higher resolution weighing data

shown on the display. And after 4s back to weighing status. Press UNIT

again, the indicator proceed the toggle operation. And after 4s return.

2. Weight unit---kg/lb toggle operation. If the unit is kg, the kg light

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is on. Press UNIT key. it change to lb. and lb light on. After 4s back to

kg automatically. And kg light on at the same time.

4.2.4 Tare operation

1. Tare function

When gross weight shown on the display, Press TARE key. the TARE

light on. Indicator save the data and at same time NET light on. Net

weight is zero.

2. Retare function

When NET light on. Press TARE key, the TARE and NET light off .

It means the indicator already clean the tare. And show the gross

weight.

3. Tare operation condition.

Only the weight on the scales keep standstill and the light on. The

tare operation is effective.

4.2.5 G.W/N.W operation switch

When the indicator show the gross weight. Press key, the

net weight show. And light on. Press again. Back to gross

weight display. And N.W light off. G.W light on.

4.2.6 Weight accumulating operation

1. weight accumulating operation

1. when the weight is zero.. Press and keep it 2s latter.

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“SUON” show on the indicator. The light is on at same time.

2. when adding the weight to the scales. if you want the present

weight be added. Press 2s, and “ n 01” (means the first time

accumulating)show on the indicator, after 2s back to the present

weight.

3. when the first weighing and accumulating is finished. Take off

the weight. And enter second weighing. Press 2s for

confirmation “(n 02)(means second accumulating). Then the total

weight for the first & second weighing show on the display. After 2s

back to the actual weight on the scales. repeat this operation again

can accumulating many times.

4. when accumulating finish. Press for 2s. and “ SU

OFF” show on the indicator. Back to normal weighing status.

Note: when weight is accumulated, the weight on the scale

should be standstill. And light on steadily

2．Check the total weight

Press . Firstly show the accumulating times( for example” n

02) then show the total weight. 2s latter back to the weighing.

4.2.7 Count operation

Two ways for count operation.

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1. sampling and then get the average unit weight.:

If you don’t know the unit weight. firstly get the total weight. Then do

sampling and get unit weight. Then input the quantity. and go to the

count operation.

2. Input the average unit weight: if already known the unit weight,

add the goods. Then input the unit weight. We can get the quantity

How to get the unit weight:

1. Press to display zero. Then put goods on the scales

that you know the quantity.

2. Press till it show “ PC on”, then automatically show

“000” means it already go to the count

3. Press the and key, till “ PC 1” show on the

display, and 1 means sampling and then get the average unit weight.

Press and “PCS 00” show on the indicator

4. Use ← and → to shift the cursor, and ↑ and ↓ to adjust the

parameter. Input the goods quantity on the scales. and suppose there

are 5 pcs. Then input “ PCS 05”( Note: the sample qty should be

below 99)

5. Press to perform parameter setting. And count.

6.Put goods on the scales. and the quantity show on the indicator.

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If you want the weight, Press . It will show on the indicator.

The weight status light and “ PCS” light on. 4s latter back to show qty.

4.3 Input the known average unit weight method:

1. when the weight is zero. Put goods that you already known the

unit weight.

2. Press till “ PC on” show on the indicator and then

“000” automatically show. Means already into counting.

3. Press and 1s and release, and “ PCS 1”

show on the indicator. use ← and → to shift the cursor, and ↑ and ↓ to

adjust the parameter. And change the “ PCS 1” to “ PCS 2” 2

means input the known average unit weight mode.

4. Press and input known unit weight to count. “ 0000.00”

Show on the indicator. use ← and → to shift the cursor, and ↑ and ↓ to

adjust the parameter. Input known average unit weight. Suppose the

unit weight is 1 kg, then input “0001.00”

5. Press perform the set average unit weight to count.

Put goods on the scales. and the quantity will show on the indicator. If

you want the weight. press , weight will show on the indicator.

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And weight & “PCS” status light on. 4s latter automatically show

quantity

4.4 Indicator for livestock scales(animal scales)

When the indicator used for livestock scales. only set the digital

filter C13 1.and C14 2 is ok. steps as follows

1.Press and at the same time, enter into C13 by

pressing the ↑ ↓ ← → , press for confirmation. Then the press

↑ key to change “ C13 0” to “ C13 3”. At last press again

can enter into C14.

2. Press . Enter into” C14 3”. Change “C14 2” to “C14

1” . and the setting for livestock scales finish.

Note: when for livestock weighing, set the digital filter 1 for C13.

The No. is bigger, the weighing will be more stable. And change is

slower.

Set the digital filter 2 for C14, The No. is smaller. The weighing

change faster. Adjust the C13 and C14 . can control the weighing

stability and speed suitable for animal weighing.

4.5 Classifying scales operation

The classifying function is optional, set the C20 C21 C22 C23 and it

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Vestil SCALE-S Owner's manual

Brand: Vestil

Model: SCALE-S

Category: Kitchen scales

Type: Owner's manual

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Vestil SCALE-S Owner's manual

Vestil SCALE-S Owner's manual

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